#!/bin/sh
# PCP QA Test No. 805
# Exercise the postfix PMDA.
#
# Copyright (c) 2015 Red Hat.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

[ -f "$PCP_PMDAS_DIR/postfix/pmdapostfix.pl" ] || _notrun "No postfix PMDA"

if which qshape >/dev/null 2>&1
then
    :
else
    # not on the $PATH, but qshape is hiding on SuSE platforms
    #
    [ -f /usr/share/doc/packages/postfix-doc/auxiliary/qshape/qshape.pl ] \
    || _notrun "No qshape binary installed"
fi

status=1	# failure is the default!

# prepare the PMDAs test environment
cp $here/postfix/qshape.sh $tmp.qshape
grp=root
case $PCP_PLATFORM
in
    freebsd|netbsd|openbsd)
	    grp=wheel
	    ;;
esac
$sudo chown root:$grp $tmp.qshape
$sudo chmod 755 $tmp.qshape
touch $tmp.logfile

export PMDA_POSTFIX_LOG=$tmp.logfile
export PMDA_POSTFIX_REFRESH=1
export PMDA_POSTFIX_QSHAPE=$tmp.qshape

# don't want Install to possibly restart pmcd via systemctl, as this
# will clobber the environment, ...
#
if ! _service pmlogger stop 2>&1; then _exit 1; fi \
| _filter_pcp_stop
_wait_pmlogger_end || _exit 1
if ! _service pmcd stop 2>&1; then _exit 1; fi \
| _filter_pcp_stop
_wait_pmcd_end || _exit 1
if [ "$PCPQA_SYSTEMD" = x -o "${PCPQA_SYSTEMD-x}" != x ]
then
    # $PCPQA_SYSTEMD is already set ...
    save_pcpqa_systemd="$PCPQA_SYSTEMD"
    restore_pcpqa_systemd=true
else
    restore_pcpqa_systemd=false
fi
export PCPQA_SYSTEMD=no

pmdapostfix_remove()
{
    echo | tee -a $seq_full
    echo "=== remove postfix agent ===" | tee -a $seq_full
    $sudo ./Remove >$tmp.out 2>&1
    cat $tmp.out >>$seq_full
    _filter_pmda_remove <$tmp.out
}

pmdapostfix_install()
{
    # start from known starting points
    cd $PCP_PMDAS_DIR/postfix
    $sudo ./Remove >/dev/null 2>&1

    echo | tee -a $seq_full
    echo "=== postfix agent installation ===" | tee -a $seq_full
    $sudo ./Install </dev/null >$tmp.out 2>&1
    cat $tmp.out >>$seq_full
    # Check postfix metrics have appeared ... X metrics and Y values
    _filter_pmda_install <$tmp.out \
    | sed \
        -e 's/[0-9][0-9]* warnings, //' \
    | $PCP_AWK_PROG '
/Check postfix metrics have appeared/   { if ($7 >= 7) $7 = "X"
                                          if ($10 >= 50) $10 = "Y"
                                        }
                                        { print }'
}

_cleanup()
{
    if $restore_pcpqa_systemd
    then
	export PCPQA_SYSTEMD="$save_pcpqa_systemd"
    else
	unset PCPQA_SYSTEMD
    fi
    # note: _restore_auto_restart pmcd done in _cleanup_pmda()
    _cleanup_pmda postfix
}

_prepare_pmda postfix
trap "_cleanup; exit \$status" 0 1 2 3 15

_stop_auto_restart pmcd

# real QA test starts here
pmdapostfix_install

metrics=`pminfo postfix | LC_COLLATE=POSIX sort`

for file in $here/postfix/*-log-*gz
do
    pmsleep 1.25
    logfile=`basename $file`
    gunzip < $file > $tmp.logfile

    echo "=== verify postfix values - $logfile ===" | tee -a $seq_full
    pminfo -f $metrics
    echo "=== done ===" | tee -a $seq_full
    echo | tee -a $seq_full
done
$sudo rm -f $tmp.logfile $tmp.qshape

echo "PMDA log file ..." >>$seq_full
$sudo cat $PCP_LOG_DIR/pmcd/postfix.log >>$seq_full

pmdapostfix_remove
status=0
exit
